RT Article T1 Improving the status of police patrol JF International journal of the sociology of law VO 26 IS 2 SP 161 OP 196 A1 Loveday, Barry LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639764623 K1 Streifendienst K1 Polizeiarbeit K1 Effizienz